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- Mohand Lokman Al-dabag, Haider Th. Salim Alrikabi, Raid Rafi Omar Al-Nima. Anticipating Atrial Fibrillation Signal Using Efficient Algorithm. iJOE, 17(2):106-120, 2021.
- Inssaf El Guabassi, Zakaria Bousalem, Rim Marah, Aimad Qazdar. Comparative Analysis of Supervised Machine Learning Algorithms to Build a Predictive Model for Evaluating Students' Performance. iJOE, 17(2):90-105, 2021.
- Vinutha M. R., Chandrika J.. EANNMHO - A Novel Ensemble Based Technique for Liver Cirrhosis Detection. iJOE, 17(4):96-106, 2021.
- Jorge Israel Anchundia-Santana, Julieta Evangelina Sánchez-Cano, Washington Garcia Quilachamin, Evelyn Isabel Santana-Mantuano. Validation of An Instrument to Know the Use of Smart Devices in Air Conditioners and Their Improvement in Energy Efficiency: Case Study in Ecuador. iJOE, 17(4):133-144, 2021.
- Vivek Upadhyaya, Mohammad Salim. To Analyse the Effect of Relaxation Type on Magnetic Resonance Image Compression Using Compressive Sensing. iJOE, 17(4):21-38, 2021.
- Usha Kumari Chintalapati, Md. Aqeel Manzar, Tarun Varma N, Reethika A, Priya Samhitha B, Rohitha Sivani J, Kamran Ali Mirza, Pranav Kumar S. Automated Detection of Depolarization and Repolarization of Cardiac Signal for Arrhythmia Classification. iJOE, 17(2):173-181, 2021.
- Arturo Jesús Laflor Hernández, Mabel Vázquez-Briseno, Fernanda Murillo-Munoz. Development of an e-Coaching Framework to Promote Sleep Hygiene Using Machine Learning. iJOE, 17(3):98-112, 2021.
- Dwijoko Purbohadi, Silvia Afriani, Nicko Rachmanio, Arlina Dewi. Developing Medical Virtual Teaching Assistant Based on Speech Recognition Technology. iJOE, 17(4):107-120, 2021.
- Bagus Priambodo, Yuwan Jumaryadi, Sarwati Rahayu, Diky Firdaus, Muhammad Sobri, Zico Pratama Putra. Prediction of Drug Users Based on Facial Scratching Pattern. iJOE, 17(3):141-150, 2021.